21470513

素因数分解:

${\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:364

約数の個数: 16

約数和(自身を含む): 23328000

約数和(自身を除く): 1857487

約数列:

[1, 19, 59, 107, 179, 1121, 2033, 3401, 6313, 10561, 19153, 119947, 200659, 363907, 1130027, 21470513]

約数ペア:

[(1, 21470513), (19, 1130027), (59, 363907), (107, 200659), (179, 119947), (1121, 19153), (2033, 10561), (3401, 6313)]